Partner Academy · Deye
Fault
F39
AC Over Current (1 cycle)
Instantaneous 1-cycle AC overcurrent
Deye service: AC Over Current (1 cycle) — motor / compressor inrush.
Field checks
- Review inrush of large motors / compressors.
- Fit soft-starters where needed.
FAQ
What does Deye F39 mean?
Instantaneous 1-cycle AC overcurrent
What should I check for Deye F39?
- Review inrush of large motors / compressors.
- Fit soft-starters where needed.
When should I contact Inversol?
After noting the exact code, model, SN, and operating mode, complete the field checks. If the code returns after a clean power cycle, contact Inversol WhatsApp support with a photo of the display.
Partner lookup — not a substitute for the official Deye service manual or live measurements. Firmware maps can differ by model family.